By Angela Moon NEW YORK (Reuters) - With the broad S&P 500 Index gliding once again into uncharted territory and posting four straight weeks of gains, the talk of Wall Street's rally inevitably hitting a ceiling is starting to get old. Concerns about a technical correction have been a hot topic for weeks, especially as the rally accelerated in May - the S&P 500 is up 4.4 percent so far this month and up nearly 17 percent for the year. But as the three major U.S. stock indexes inch higher and higher to set record after record, many analysts are shrugging off the pullback worries. ...

WASHINGTON (Reuters) - Federal Reserve Chairman Ben Bernanke painted an upbeat picture on Saturday for the potential of innovation to lift living standards, delivering a sweeping look at the last 100 years that included memories of his 1963 South Carolina home. Bernanke made no reference to monetary policy or the immediate outlook for the U.S. economy in prepared remarks to graduates of Bard College at Simon's Rock, Massachusetts. But the die-hard baseball fan did manage to work in a reference to one of the sport's greats. ...

By Malathi Nayak and Bill Rigby SAN FRANCISCO/SEATTLE (Reuters) - Microsoft Corp is set to make a splash this week with the eagerly awaited unveiling of its new Xbox game console, eight years after the last version, as it seeks a larger share of the $65 billion a year global computer gaming industry. But the small device faces some big competition from the PlayStation 4 by Sony Corp and the Wii U by Nintendo Co Ltd in a shifting market. ...